MR. MICHAEL A. WITHALL CRNA
NPI 1396769824
Nurse Anesthetist, Certified Registered in Joliet, IL
About Mr. Michael A. Withall Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MICHAEL A. WITHALL CRNA (NPI 1396769824) is an individual nurse anesthetist, certified registered in Joliet, Illinois and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Michael A. Withall Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Michael Withall reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Frankfort, IL 60423
- Reassigned Medicare billing, Illinois enrollment
- 164 clinicians in this Medicare group
Mokena, IL 60448
- Reassigned Medicare billing, Illinois enrollment
- 63 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 53 clinicians in this Medicare group
Elmhurst, IL 60126
- Reassigned Medicare billing, Illinois enrollment
- 81 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- 42 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60432 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JOLIET, IL 60432
JOLIET, IL 60432
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Withall's NPI number?
The NPI number for Michael Withall is 1396769824. It was assigned to this individual provider in the NPPES registry on July 27, 2006.
Where is Michael Withall located?
Michael Withall practices at 1200 Maple Rd, Joliet, IL 60432. The listed phone number is (815) 740-1100.
What is Michael Withall's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Michael Withall enrolled in Medicare?
Yes. Michael Withall is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Michael Withall's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Withall reassigns Medicare benefits to 5 organizations: Windy City Anesthesia PC (Frankfort, IL), Elite Anesthesia Providers, Ltd (Mokena, IL), Guardian Anesthesia Associates, S.C (Aurora, IL), Elmhurst Anesthesiologists, PC (Elmhurst, IL) and Premiere Anesthesia Group LLC (Park Ridge, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Withall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Withall was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. Michael A. Withall, CRNA · NPI 1396769824
Nurse Anesthetist, Certified Registered physician in Joliet, Illinois. Individual provider, active in the CMS NPPES registry since July 27, 2006.
## Identity
- **NPI:** 1396769824 (Entity type: Individual)
- **Enumerated:** July 27, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 MAPLE RD, Joliet, IL 60432-1439
- **Phone:** (815) 740-1100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Windy City Anesthesia PC (NPI 1932248622, Frankfort, IL); Elite Anesthesia Providers, Ltd (NPI 1679258388, Mokena, IL); Guardian Anesthesia Associates, S.C (NPI 1326097221, Aurora, IL); Elmhurst Anesthesiologists, PC (NPI 1376586610, Elmhurst, IL); Premiere Anesthesia Group LLC (NPI 1720467392, Park Ridge, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified L98923 (IL); Medicare ID-Type Unspecified K24122 (IL); Medicare ID-Type Unspecified K24123 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1396769824) · Data from the CMS NPPES public registry.